General Natron Information Chemical Formula: |
Na2CO3•10(H2O) |
Composition: |
Molecular Weight = 286.14 gm |
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Sodium 16.07 % Na 21.66 % Na2O |
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Hydrogen 7.05 % H 62.96 % H2O |
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Carbon 4.20 % C 15.38 % CO2 |
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Oxygen 72.69 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Na2(CO3)•10(H2O) |
Environment: |
Saline lake beds in arid environments. |
IMA Status: |
Valid Species (Pre-IMA) Prehistoric |
Locality: |
Ragtown, Nevada, USA. Link to MinDat.org Location Data. |
Name Origin: |
From the Latin for "soda." |
Name Pronunciation: |
Natron |
Synonym: |
ICSD 16033 |
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PDF 15-800 |
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Soda |
| | Natron Image
Images:
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Natron Crystallography Axial Ratios: |
a:b:c =1.4214:1:1.489 |
Cell Dimensions: |
a = 12.83, b = 9.026, c = 13.44, Z = 4; beta = 123° V = 1,305.31 Den(Calc)= 1.46 |
Crystal System: |
Monoclinic - DomaticH-M Symbol (m) Space Group: Cc |
X Ray Diffraction: |
By Intensity(I/Io): 3.036(1), 3.015(0.7), 2.894(0.6),5.37(0.5), |
Crystal Structure:
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Mouse
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| Physical Properties of Natron Cleavage: |
{001} Distinct, {010} Imperfect |
Color: |
White, Gray, Colorless, Yellow. |
Density: |
1.42 - 1.47, Average = 1.44 |
Diaphaneity: |
Transparent to Translucent |
Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
Habit: |
Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation. |
Habit: |
Encrustations - Forms crust-like aggregates on matrix. |
Hardness: |
1 - Talc |
Luminescence: |
Phosphorescent. |
Luster: |
Vitreous (Glassy) |
Streak: |
white |
| Optical Properties of Natron Gladstone-Dale: |
CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.008 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.29,KPDmeas= 0.293,KC= 0.2877 Ncalc = 1.41 - 1.42 Optical Data: |
Biaxial (-), a=1.405, b=1.425, g=1.44, bire=0.0350, 2V(Calc)=80, 2V(Meas)=71. Dispersion r > v. |
Pleochroism (x): |
colorless. |
Pleochroism (y): |
colorless. |
Pleochroism (z): |
colorless. |
| Calculated Properties of Natron Electron Density: |
Bulk Density (Electron Density)=1.55 gm/cc |
note: Specific Gravity of Natron =1.46 gm/cc. Fermion Index: |
Fermion Index = 0.0008212058 |
Boson Index = 0.9991787942 Photoelectric: |
PENatron = 0.51 barns/electron |
U=PENatron x rElectron Density= 0.80 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Natron is Not Radioactive | Natron Classification Dana Class: |
15.01.02.01 (15)Hydrated Carbonates |
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(15.01)where A+ (XO3) · x(H2O) |
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(15.01.02)Dana Group |
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Strunz Class: |
05.CB.10 05 - CARBONATES (NITRATES) |
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05.C - Carbonates without Additional Anions, with H2O |
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05.CB -With large cations (alkali and alkali-earth carbonates) |
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| Other Natron Information References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
See Also: |
Links to other databases for Natron : |
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 - Am. Min. Crystal Structure Database 4 - Athena 5 - EUROmin Project 6 - Ecole des Mines de Paris 7 - GeoScienceWorld 8 - Google Images 9 - Google Scholar 10 - Handbook of Mineralogy (MinSocAm) 11 - Handbook of Mineralogy (UofA) 12 - MinDAT 13 - Mineralienatlas (Deutsch) 14 - Online Mineral Museum 15 - QUT Mineral Atlas 16 - Ruff.Info Search for Natron using: Visit our Advertisers for Natron : A Bijoux Google Search for NatronAdam's Minerals Google Search for Natron Cape Minerals Google Search for Natron Dakota Matrix Minerals Google Search for Natron Excalibur Mineral Corp. Google Search for Natron Exceptional Minerals Google Search for Natron John Betts Fine Minerals Search for Natron McDougall Minerals Google Search for Natron Mineral News Website Link Rock and Mineral Shows Google Search for Natron Weinrich Minerals, Inc. Google Search for Natron Ask about Natron here : Print or Cut-and-Paste your Natron Specimen Label here :
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